<template>
    <div>
        <div class="row">
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
        </div>
        <div class="row">
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
        </div>
        <div class="row">
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
            <div class="studyItem">
                ITEM
            </div>
        </div>
    </div>
</template>

<style>
   .row {
       display: flex;
       margin-bottom: 10px;
   }
    .studyItem {
        flex: 1;
        background-color: #99a9bf;
        height: 100px;
        width: 70px;
        margin-right: 10px;
        text-align: center;
        line-height: 100px;
    }
    .studyItem :last-child {
        margin-right: 0;
    }
    .row :last-child {
        margin-bottom: 0;
    }
</style>
